<!DOCTYPE html>
<html>
<head>
	<title>chcode</title>
	<meta charset="utf-8">
</head>
<body>
	hello, world
	<div vc-for="item in names">
		<p>{{item}}</p>
	</div>
	<script>
		var forDOMObj = document.querySelector("[vc-for]");
		console.log(forDOMObj);
		var rex = new RegExp("^[a-zA-Z][a-zA-Z0-9_]{5,16}$");
		if (rex.test("a344545656")) {
			console.log("keyi")
		}else {
			console.log("no");
		}
	</script>
</body>
</html>